苦槛蓝营养器官的结构特征与有效成分积累关系研究  

The relationship between structural characteristic and accumulation of medicinal component in vegetative organs of Myoporum bontioides

作　　者：白玫[1,2] 郑萍[1,3] 李合英[1] 吴鸿[1,2,4] 

机构地区：[1]华南农业大学,亚热带农业生物资源保护与利用国家重点实验室,广东广州510642 [2]华南农业大学,广东省兽用中药与天然药物工程技术研究中心,广东广州510642 [3]中山大学生命科学学院,广东广州510275 [4]华南农业大学,广东省森林植物种质创新与利用重点实验室,广东广州510642

出　　处：《华南农业大学学报》2015年第6期104-110,共7页Journal of South China Agricultural University

基　　金：广东省自然科学基金博士启动项目(S2012040007655);中国博士后科学基金(2014M562187)

摘　　要：【目的】阐明苦槛蓝Mycporum bontioides营养器官的结构特征与其有效成分积累之间的关系,为其有效成分的利用奠定理论基础.【方法】运用植物解剖学和组织化学定位方法研究苦槛蓝营养器官的解剖结构与主要有效成分的积累分布状态.【结果和结论】苦槛蓝营养器官茎和叶中含有分泌结构——分泌腔,而根中无分泌腔存在.挥发油主要储存于茎和叶中的分泌腔,周围的薄壁细胞也参与挥发油的合成,根薄壁细胞中挥发油类物质不明显.黄酮类化合物在根、茎和叶中均有分布,主要分布在各类组织的薄壁细胞中.鉴于苦槛蓝使用价值的不同,综合判断茎、叶均可作为以黄酮类和挥发油为主要成分的植物源农药的原料采收,根、茎和叶均可作为以黄酮类为主要成分的原料入药.【Objective】 This study aimed to clarify the relationship between structural characteristic and accumulation of medicinal component in vegetative organs and establish a theoretical foundation for the effective utilization of Mycporum bontioides. 【Method】Plant anatomy and histochemical localization methods were used to study the anatomical structure and accumulation of the main effective components in vegetative organs of M. bontioides. 【Result and conclusion】There were secretory cavities in stems and leaves of M. bontioides, but not in roots. The essential oil was mainly stored in the secretory cavities of stems and leaves, and their surrounding parenchymal cells were involved in the synthesis of essential oil. However, oil was not obvious in roots. The flavonoids were mainly found in the parenchymal cells of roots, stems and leaves. According to their different value, stems and leaves could be used as flavonoids and essential oil extraction for botanical pesticide, while roots, stems and leaves could be used for flavonoids extraction.

关 键 词：苦槛蓝 挥发油 黄酮类 分泌腔 

分 类 号：Q944[生物学—植物学] Q949